.visual-bars {
    display: flex;
    height: 100px;
    align-items: flex-end;
    margin: 20px 0;
    gap: 2px;
}

.bar {
    flex: 1;
    background: linear-gradient(to top, #3498db, #2ecc71);
    min-width: 5px;
    transition: height 0.3s ease;
}